Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

伟大的领导者不创造追随者，他们创造更多的领导者。

【释义】经过多年努力也还不够，一旦毁坏却十分彻底。

文学是可能的艺术。

一二三产业融合是现代农业的关键。

Innovation distinguishes between a leader and a follower.

The environment will appear different to different observers depending on what they are prepared to see.

Markets alone won't solve all development challenges - we need smart interventions too.